GSD-2023-1002023 bpf: Skip invalid kfunc call in backtrack_insn
A null pointer dereference in the Linux kernel BPF subsystem allows local attackers to cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1002023?
GSD-2023-1002023 is a vulnerability in Kernel, published on 13 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
bpf: Skip invalid kfunc call in backtrack_insn
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.93 by commit 6e2fac197de2c4c041bdd8982cffb104689113f1. For more details please see the references link.
Which versions are affected by GSD-2023-1002023?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1002023?
No fix has been published for GSD-2023-1002023 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1002023 being exploited?
There is no known exploitation of GSD-2023-1002023 in the wild and no public exploit code.